Home / 428,730.02-591,671.08-237,739.31

Finding the Fourth Proportional to 428,730.02, 591,671.08 and 237,739.31

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Solution

The fourth proportional to 428,730.02, 591,671.08 and 237,739.31 is: 328,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,730.02 : 591,671.08 = 237,739.31 : x
  2. Step 2: Convert to fraction form
    428,730.02/591,671.08 = 237,739.31/x
  3. Step 3: Cross multiply
    428,730.02x = 591,671.08 × 237,739.31
  4. Step 4: Simplify right side
    428,730.02x = 140,663,474,306.16
  5. Step 5: Solve for x
    x = 140,663,474,306.16/428,730.02
  6. Step 6: Final answer
    x = 328,093.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.